Mistral StudioMistral Studio Self-Hosted Agents Send State and Traces to Mistral
Mistral's Studio managed agents, workflows and apps launched November 5 as a Mistral-hosted public preview with no price. Self-hosted agents still leave session state and traces with Mistral, and apps run only on Mistral Cloud.
November 7, 2026 · 9 min readMicrosoft Copilot harnessMicrosoft Starts Billing for Copilot Harness on December 1
The Microsoft Copilot harness starts billing sandbox compute on December 1 while it is still a no-SLA preview, with Microsoft setting the approval policy for its five built-in tools. Test it now with Shell off, and compare it with hosted agents and AWS AgentCore before the meter starts.
November 3, 2026 · 14 min readAmazon Bedrock AgentCoreGoogle Agent Runtime's $510 Meter Beats AgentCore's $846
For one support agent at 300,000 sessions a month, Google's Agent Runtime bills $510 of compute, AgentCore $846 and Foundry prompt agents nothing. Memory, web search and idle timeouts set the rest of the bill.
October 31, 2026 · 15 min readAmazon Bedrock AgentCoreAWS Agents Run 14 Days. The Session Is the Only Wall.
AgentCore's new Instances compute type runs agents on EC2 in your own account for up to 14 days. AWS's documentation states that agents sharing an instance get no security boundary, that the platform does not verify a session ID belongs to the caller, and that the billable instances are hidden from your EC2 console by default.
August 11, 2026 · 13 min read